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<table width="100%" summary="page for cloud"><tr><td>cloud</td><td align="right">R Documentation</td></tr></table>

<h2>Cloud point of a Liquid</h2>

<h3>Description</h3>


<p>This data set contains the measurements concerning the
cloud point of a Liquid, from Draper and Smith (1969).
The cloud point is a measure of the degree of crystallization in a
stock.
</p>


<h3>Usage</h3>

<pre>data(cloud)</pre>


<h3>Format</h3>


<p>A data frame with 19 observations on the following 2 variables.
</p>

<dl>
<dt><code>Percentage</code></dt><dd><p>Percentage of I-8</p>
</dd>
<dt><code>CloudPoint</code></dt><dd><p>Cloud point</p>
</dd>
</dl>



<h3>Source</h3>


<p>P. J. Rousseeuw and A. M. Leroy (1987)
<EM>Robust Regression and Outlier Detection</EM>;
Wiley, p.96, table 10.
</p>


<h3>Examples</h3>

<pre>
data(cloud)
summary(lm.cloud &lt;- lm(CloudPoint ~., data=cloud))

</pre>


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